1004447742198 has 24 divisors (see below), whose sum is σ = 2120191637688. Its totient is φ = 317194023168.

The previous prime is 1004447742191. The next prime is 1004447742283. The reversal of 1004447742198 is 8912477444001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1004447742198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004447742191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231864811 + ... + 231869142.

It is an arithmetic number, because the mean of its divisors is an integer number (88341318237).

Almost surely, 2^{1004447742198} is an apocalyptic number.

1004447742198 is an abundant number, since it is smaller than the sum of its proper divisors (1115743895490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1004447742198 is a wasteful number, since it uses less digits than its factorization.

1004447742198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463733996 (or 463733977 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 1004447742198 in words is "one trillion, four billion, four hundred forty-seven million, seven hundred forty-two thousand, one hundred ninety-eight".